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Finding the Fourth Proportional to 57,840.97, 79,819.98 and 32,347.05

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Solution

The fourth proportional to 57,840.97, 79,819.98 and 32,347.05 is: 44,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,840.97 : 79,819.98 = 32,347.05 : x
  2. Step 2: Convert to fraction form
    57,840.97/79,819.98 = 32,347.05/x
  3. Step 3: Cross multiply
    57,840.97x = 79,819.98 × 32,347.05
  4. Step 4: Simplify right side
    57,840.97x = 2,581,940,884.06
  5. Step 5: Solve for x
    x = 2,581,940,884.06/57,840.97
  6. Step 6: Final answer
    x = 44,638.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.